40318798 has 32 divisors (see below), whose sum is σ = 72606240. Its totient is φ = 16588800.

The previous prime is 40318783. The next prime is 40318799. The reversal of 40318798 is 89781304.

It is a self number, because there is not a number n which added to its sum of digits gives 40318798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40318799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5998 + ... + 10798.

It is an arithmetic number, because the mean of its divisors is an integer number (2268945).

Almost surely, 2^40318798 is an apocalyptic number.

40318798 is a deficient number, since it is larger than the sum of its proper divisors (32287442).

40318798 is a wasteful number, since it uses less digits than its factorization.

40318798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4852.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 40318798 is about 6349.7084972462. The cubic root of 40318798 is about 342.9013477561.

The spelling of 40318798 in words is "forty million, three hundred eighteen thousand, seven hundred ninety-eight".